carrotquest/django-clickhouse
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Bugfix in QuerySetMixin inheritance

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This commit is contained in:
M1ha 2019-09-11 15:34:37 +05:00
parent 5f218d0da0
commit 0f1364b2b8
1 changed files with 13 additions and 17 deletions
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30
src/django_clickhouse/models.py
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@ -32,16 +32,18 @@ except ImportError:
fake = True
class ClickHouseSyncUpdateReturningQuerySetMixin(UpdateReturningMixin):
class ClickHouseSyncRegisterMixin:
def _register_ops(self, operation, result):
pk_name = self.model._meta.pk.name
pk_list = [getattr(item, pk_name) for item in result]
self.model.register_clickhouse_operations(operation, *pk_list, using=self.db)
class ClickHouseSyncUpdateReturningQuerySetMixin(ClickHouseSyncRegisterMixin, UpdateReturningMixin):
"""
This mixin adopts methods of django-pg-returning library
"""
def _register_ops(self, operation, result):
pk_name = self.model._meta.pk.name
pk_list = result.values_list(pk_name, flat=True)
self.model.register_clickhouse_operations(operation, *pk_list, using=self.db)
def update_returning(self, **updates):
result = super().update_returning(**updates)
self._register_ops('update', result)
@ -53,7 +55,7 @@ class ClickHouseSyncUpdateReturningQuerySetMixin(UpdateReturningMixin):
return result
class ClickHouseSyncBulkUpdateQuerySetMixin(BulkUpdateManagerMixin):
class ClickHouseSyncBulkUpdateQuerySetMixin(ClickHouseSyncRegisterMixin, BulkUpdateManagerMixin):
"""
This mixin adopts methods of django-pg-bulk-update library
"""
@ -69,11 +71,6 @@ class ClickHouseSyncBulkUpdateQuerySetMixin(BulkUpdateManagerMixin):
return returning
def _register_ops(self, result):
pk_name = self.model._meta.pk.name
pk_list = [getattr(item, pk_name) for item in result]
self.model.register_clickhouse_operations('update', *pk_list, using=self.db)
def bulk_update(self, *args, **kwargs):
original_returning = kwargs.pop('returning', None)
kwargs['returning'] = self._update_returning_param(original_returning)
@ -89,19 +86,18 @@ class ClickHouseSyncBulkUpdateQuerySetMixin(BulkUpdateManagerMixin):
return result.count() if original_returning is None else result
class ClickHouseSyncQuerySetMixin:
class ClickHouseSyncQuerySetMixin(ClickHouseSyncRegisterMixin):
def update(self, **kwargs):
# BUG I use update_returning method here. But it is not suitable for databases other then PostgreSQL
# and requires django-pg-update-returning installed
pk_name = self.model._meta.pk.name
res = self.only(pk_name).update_returning(**kwargs).values_list(pk_name, flat=True)
self.model.register_clickhouse_operations('update', *res, using=self.db)
res = self.only(pk_name).update_returning(**kwargs)
self._register_ops('update', res)
return len(res)
def bulk_create(self, objs, batch_size=None):
objs = super().bulk_create(objs, batch_size=batch_size)
self.model.register_clickhouse_operations('insert', *[obj.pk for obj in objs], using=self.db)
self._register_ops('insert', objs)
return objs